# -*- coding: UTF-8 -*-
import importlib
import logging
from typing import Optional

from django.db import models
from django.contrib.auth.models import AbstractUser
from mirage import fields
from django.utils.translation import gettext as _
from django.conf import settings
from mirage.crypto import Crypto

from common.utils.const import WorkflowStatus, WorkflowType, WorkflowAction


logger = logging.getLogger("default")
file, _class = settings.PASSWORD_MIXIN_PATH.split(":")

try:
    password_module = importlib.import_module(file)
    PasswordMixin = getattr(password_module, _class)
except (ImportError, AttributeError) as e:
    logger.error(
        f"failed to import password minxin {settings.PASSWORD_MIXIN_PATH}, {str(e)}"
    )
    logger.error(f"falling back to dummy mixin")
    from sql.plugins.password import DummyMixin

    PasswordMixin = DummyMixin


class ResourceGroup(models.Model):
    """
    资源组
    """

    group_id = models.AutoField("组ID", primary_key=True)
    group_name = models.CharField("组名称", max_length=100, unique=True)
    group_parent_id = models.BigIntegerField("父级id", default=0)
    group_sort = models.IntegerField("排序", default=1)
    group_level = models.IntegerField("层级", default=1)
    ding_webhook = models.CharField("钉钉webhook地址", max_length=255, blank=True)
    feishu_webhook = models.CharField("飞书webhook地址", max_length=255, blank=True)
    qywx_webhook = models.CharField("企业微信webhook地址", max_length=255, blank=True)
    is_deleted = models.IntegerField(
        "是否删除", choices=((0, "否"), (1, "是")), default=0
    )
    create_time = models.DateTimeField(auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    def __str__(self):
        return self.group_name

    class Meta:
        managed = True
        db_table = "resource_group"
        verbose_name = "资源组管理"
        verbose_name_plural = "资源组管理"


class Users(AbstractUser):
    """
    用户信息扩展
    """

    display = models.CharField("显示的中文名", max_length=50, default="")
    ding_user_id = models.CharField("钉钉UserID", max_length=64, blank=True)
    wx_user_id = models.CharField("企业微信UserID", max_length=64, blank=True)
    feishu_open_id = models.CharField("飞书OpenID", max_length=64, blank=True)
    failed_login_count = models.IntegerField("失败计数", default=0)
    last_login_failed_at = models.DateTimeField(
        "上次失败登录时间", blank=True, null=True
    )
    resource_group = models.ManyToManyField(
        ResourceGroup, verbose_name="资源组", blank=True
    )

    def save(self, *args, **kwargs):
        self.failed_login_count = min(127, self.failed_login_count)
        self.failed_login_count = max(0, self.failed_login_count)
        super(Users, self).save(*args, **kwargs)

    def __str__(self):
        if self.display:
            return self.display
        return self.username

    class Meta:
        managed = True
        db_table = "sql_users"
        verbose_name = "用户管理"
        verbose_name_plural = "用户管理"


class TwoFactorAuthConfig(models.Model):
    """
    2fa配置信息
    """

    auth_type_choice = (
        ("totp", "Google身份验证器"),
        ("sms", "短信验证码"),
    )

    username = fields.EncryptedCharField(verbose_name="用户名", max_length=200)
    auth_type = fields.EncryptedCharField(
        verbose_name="认证类型", max_length=128, choices=auth_type_choice
    )
    phone = fields.EncryptedCharField(
        verbose_name="手机号码", max_length=64, null=True, default=""
    )
    secret_key = fields.EncryptedCharField(
        verbose_name="用户密钥", max_length=256, null=True
    )
    user = models.ForeignKey(Users, on_delete=models.CASCADE)

    class Meta:
        managed = True
        db_table = "2fa_config"
        verbose_name = "2FA配置"
        verbose_name_plural = "2FA配置"
        unique_together = ("user", "auth_type")


class InstanceTag(models.Model):
    """实例标签配置"""

    tag_code = models.CharField("标签代码", max_length=20, unique=True)
    tag_name = models.CharField("标签名称", max_length=20, unique=True)
    active = models.BooleanField("激活状态", default=True)
    create_time = models.DateTimeField("创建时间", auto_now_add=True)

    def __str__(self):
        return self.tag_name

    class Meta:
        managed = True
        db_table = "sql_instance_tag"
        verbose_name = "实例标签"
        verbose_name_plural = "实例标签"


DB_TYPE_CHOICES = (
    ("mysql", "MySQL"),
    ("mssql", "MsSQL"),
    ("redis", "Redis"),
    ("pgsql", "PgSQL"),
    ("oracle", "Oracle"),
    ("mongo", "Mongo"),
    ("phoenix", "Phoenix"),
    ("odps", "ODPS"),
    ("clickhouse", "ClickHouse"),
    ("goinception", "goInception"),
    ("cassandra", "Cassandra"),
    ("doris", "Doris"),
    ("elasticsearch", "Elasticsearch"),
    ("opensearch", "OpenSearch"),
    ("memcached", "Memcached"),
)


class Tunnel(models.Model):
    """
    SSH隧道配置
    """

    tunnel_name = models.CharField("隧道名称", max_length=50, unique=True)
    host = models.CharField("隧道连接", max_length=200)
    port = models.IntegerField("端口", default=0)
    user = fields.EncryptedCharField(
        verbose_name="用户名", max_length=200, default="", blank=True, null=True
    )
    password = fields.EncryptedCharField(
        verbose_name="密码", max_length=300, default="", blank=True, null=True
    )
    pkey = fields.EncryptedTextField(verbose_name="密钥", blank=True, null=True)
    pkey_path = models.FileField(
        verbose_name="密钥地址", blank=True, null=True, upload_to="keys/"
    )
    pkey_password = fields.EncryptedCharField(
        verbose_name="密钥密码", max_length=300, default="", blank=True, null=True
    )
    create_time = models.DateTimeField("创建时间", auto_now_add=True)
    update_time = models.DateTimeField("更新时间", auto_now=True)

    def __str__(self):
        return self.tunnel_name

    def short_pkey(self):
        if len(str(self.pkey)) > 20:
            return "{}...".format(str(self.pkey)[0:19])
        else:
            return str(self.pkey)

    class Meta:
        managed = True
        db_table = "ssh_tunnel"
        verbose_name = "隧道配置"
        verbose_name_plural = "隧道配置"


class Instance(models.Model, PasswordMixin):
    """
    各个线上实例配置
    """

    instance_name = models.CharField("实例名称", max_length=50, unique=True)
    type = models.CharField(
        "实例类型", max_length=6, choices=(("master", "主库"), ("slave", "从库"))
    )
    db_type = models.CharField("数据库类型", max_length=20, choices=DB_TYPE_CHOICES)
    mode = models.CharField(
        "运行模式",
        max_length=10,
        default="",
        blank=True,
        choices=(("standalone", "单机"), ("cluster", "集群")),
    )
    host = models.CharField("实例连接", max_length=200)
    port = models.IntegerField("端口", default=0)
    user = fields.EncryptedCharField(
        verbose_name="用户名", max_length=200, default="", blank=True
    )
    password = fields.EncryptedCharField(
        verbose_name="密码", max_length=300, default="", blank=True
    )
    is_ssl = models.BooleanField("是否启用SSL", default=False)
    verify_ssl = models.BooleanField("是否验证服务端SSL证书", default=True)
    db_name = models.CharField("数据库", max_length=64, default="", blank=True)
    show_db_name_regex = models.CharField(
        "显示的数据库列表正则",
        max_length=1024,
        default="",
        blank=True,
        help_text="正则表达式。示例：^(test_db|dmp_db|za.*)$。Redis示例: ^(0|4|6|11|12|13)$",
    )
    denied_db_name_regex = models.CharField(
        "隐藏的数据库列表正则",
        max_length=1024,
        default="",
        blank=True,
        help_text="正则表达式。隐藏大于显示，此规则优先。",
    )

    charset = models.CharField("字符集", max_length=20, default="", blank=True)
    service_name = models.CharField(
        "Oracle service name", max_length=50, null=True, blank=True
    )
    sid = models.CharField("Oracle sid", max_length=50, null=True, blank=True)
    resource_group = models.ManyToManyField(
        ResourceGroup, verbose_name="资源组", blank=True
    )
    instance_tag = models.ManyToManyField(
        InstanceTag, verbose_name="实例标签", blank=True
    )
    tunnel = models.ForeignKey(
        Tunnel,
        verbose_name="连接隧道",
        blank=True,
        null=True,
        on_delete=models.CASCADE,
        default=None,
    )
    create_time = models.DateTimeField("创建时间", auto_now_add=True)
    update_time = models.DateTimeField("更新时间", auto_now=True)

    def __str__(self):
        return self.instance_name

    class Meta:
        managed = True
        db_table = "sql_instance"
        verbose_name = "实例配置"
        verbose_name_plural = "实例配置"


SQL_WORKFLOW_CHOICES = (
    ("workflow_finish", _("workflow_finish")),
    ("workflow_abort", _("workflow_abort")),
    ("workflow_manreviewing", _("workflow_manreviewing")),
    ("workflow_review_pass", _("workflow_review_pass")),
    ("workflow_timingtask", _("workflow_timingtask")),
    ("workflow_queuing", _("workflow_queuing")),
    ("workflow_executing", _("workflow_executing")),
    ("workflow_autoreviewwrong", _("workflow_autoreviewwrong")),
    ("workflow_exception", _("workflow_exception")),
)


class WorkflowAuditMixin:
    @property
    def workflow_type(self):
        if isinstance(self, SqlWorkflow):
            return WorkflowType.SQL_REVIEW
        elif isinstance(self, ArchiveConfig):
            return WorkflowType.ARCHIVE
        elif isinstance(self, QueryPrivilegesApply):
            return WorkflowType.QUERY

    @property
    def workflow_pk_field(self):
        if isinstance(self, SqlWorkflow):
            return "id"
        elif isinstance(self, ArchiveConfig):
            return "id"
        elif isinstance(self, QueryPrivilegesApply):
            return "apply_id"

    def get_audit(self) -> Optional["WorkflowAudit"]:
        try:
            return WorkflowAudit.objects.get(
                workflow_type=self.workflow_type,
                workflow_id=getattr(self, self.workflow_pk_field),
            )
        except WorkflowAudit.DoesNotExist:
            return None


class SqlWorkflow(models.Model, WorkflowAuditMixin):
    """
    存放各个SQL上线工单的基础内容
    """

    workflow_name = models.CharField("工单内容", max_length=50)
    demand_url = models.CharField("需求链接", max_length=500, blank=True)
    group_id = models.IntegerField("组ID")
    group_name = models.CharField("组名称", max_length=100)
    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    db_name = models.CharField("数据库", max_length=64)
    syntax_type = models.IntegerField(
        "工单类型 0、未知，1、DDL，2、DML，3、离线导出工单",
        choices=((0, "其他"), (1, "DDL"), (2, "DML"), (3, "离线导出工单")),
        default=0,
    )
    is_backup = models.BooleanField(
        "是否备份",
        choices=(
            (False, "否"),
            (True, "是"),
        ),
        default=True,
    )
    engineer = models.CharField("发起人", max_length=30)
    engineer_display = models.CharField("发起人中文名", max_length=50, default="")
    status = models.CharField(max_length=50, choices=SQL_WORKFLOW_CHOICES)
    audit_auth_groups = models.CharField("审批权限组列表", max_length=255)
    run_date_start = models.DateTimeField("可执行起始时间", null=True, blank=True)
    run_date_end = models.DateTimeField("可执行结束时间", null=True, blank=True)
    create_time = models.DateTimeField("创建时间", auto_now_add=True)
    finish_time = models.DateTimeField("结束时间", null=True, blank=True)
    is_manual = models.IntegerField(
        "是否原生执行", choices=((0, "否"), (1, "是")), default=0
    )
    is_offline_export = models.IntegerField(
        "是否为离线导出工单",
        choices=(
            (0, "否"),
            (1, "是"),
        ),
        default=0,
    )

    # 导出格式
    export_format = models.CharField(
        "导出格式",
        max_length=10,
        choices=(
            ("csv", "CSV"),
            ("xlsx", "Excel"),
            ("sql", "SQL"),
            ("json", "JSON"),
            ("xml", "XML"),
        ),
        # default="csv",
        null=True,
        blank=True,
    )

    file_name = models.CharField(
        "文件名",
        max_length=255,  # 适当调整最大长度
        null=True,  # 允许为空
        blank=True,  # 允许为空字符串
    )

    def __str__(self):
        return self.workflow_name

    class Meta:
        managed = True
        db_table = "sql_workflow"
        verbose_name = "SQL工单"
        verbose_name_plural = "SQL工单"


class SqlWorkflowContent(models.Model):
    """
    存放各个SQL上线工单的SQL|审核|执行内容
    可定期归档或清理历史数据，也可通过``alter table sql_workflow_content row_format=compressed; ``来进行压缩
    """

    workflow = models.OneToOneField(SqlWorkflow, on_delete=models.CASCADE)
    sql_content = models.TextField("具体sql内容")
    review_content = models.TextField("自动审核内容的JSON格式")
    execute_result = models.TextField("执行结果的JSON格式", blank=True)

    def __str__(self):
        return self.workflow.workflow_name

    class Meta:
        managed = True
        db_table = "sql_workflow_content"
        verbose_name = "SQL工单内容"
        verbose_name_plural = "SQL工单内容"


class WorkflowAudit(models.Model):
    """
    工作流审核状态表
    """

    audit_id = models.AutoField(primary_key=True)
    group_id = models.IntegerField("组ID")
    group_name = models.CharField("组名称", max_length=100)
    workflow_id = models.BigIntegerField("关联业务id")
    workflow_type = models.IntegerField("申请类型", choices=WorkflowType.choices)
    workflow_title = models.CharField("申请标题", max_length=50)
    workflow_remark = models.CharField(
        "申请备注", default="", max_length=140, blank=True
    )
    audit_auth_groups = models.CharField("审批权限组列表", max_length=255)
    current_audit = models.CharField("当前审批权限组", max_length=20)
    next_audit = models.CharField("下级审批权限组", max_length=20)
    current_status = models.IntegerField("审核状态", choices=WorkflowStatus.choices)
    create_user = models.CharField("申请人", max_length=30)
    create_user_display = models.CharField("申请人中文名", max_length=50, default="")
    create_time = models.DateTimeField("申请时间", auto_now_add=True)
    sys_time = models.DateTimeField("系统时间", auto_now=True)

    def get_workflow(self):
        """尝试从 audit 中取出 workflow"""
        if self.workflow_type == WorkflowType.QUERY:
            return QueryPrivilegesApply.objects.get(apply_id=self.workflow_id)
        elif self.workflow_type == WorkflowType.SQL_REVIEW:
            return SqlWorkflow.objects.get(id=self.workflow_id)
        elif self.workflow_type == WorkflowType.ARCHIVE:
            return ArchiveConfig.objects.get(id=self.workflow_id)
        raise ValueError("无法获取到关联工单")

    def __int__(self):
        return self.audit_id

    class Meta:
        managed = True
        db_table = "workflow_audit"
        unique_together = ("workflow_id", "workflow_type")
        verbose_name = "工作流审批列表"
        verbose_name_plural = "工作流审批列表"


class WorkflowAuditDetail(models.Model):
    """
    审批明细表
    TODO
    部分字段与 WorkflowLog 重复, 建议整合到一起)
    """

    audit_detail_id = models.AutoField(primary_key=True)
    audit_id = models.IntegerField("审核主表id")
    audit_user = models.CharField("审核人", max_length=30)
    audit_time = models.DateTimeField("审核时间")
    audit_status = models.IntegerField("审核状态", choices=WorkflowStatus.choices)
    remark = models.CharField("审核备注", default="", max_length=1000)
    sys_time = models.DateTimeField("系统时间", auto_now=True)

    def __int__(self):
        return self.audit_detail_id

    class Meta:
        managed = True
        db_table = "workflow_audit_detail"
        verbose_name = "工作流审批明细"
        verbose_name_plural = "工作流审批明细"


class WorkflowAuditSetting(models.Model):
    """
    审批配置表
    """

    audit_setting_id = models.AutoField(primary_key=True)
    group_id = models.IntegerField("组ID")
    group_name = models.CharField("组名称", max_length=100)
    workflow_type = models.IntegerField("审批类型", choices=WorkflowType.choices)
    audit_auth_groups = models.CharField("审批权限组列表", max_length=255)
    create_time = models.DateTimeField(auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    def __int__(self):
        return self.audit_setting_id

    class Meta:
        managed = True
        db_table = "workflow_audit_setting"
        unique_together = ("group_id", "workflow_type")
        verbose_name = "审批流程配置"
        verbose_name_plural = "审批流程配置"


class WorkflowLog(models.Model):
    """
    工作流日志表
    """

    id = models.AutoField(primary_key=True)
    audit_id = models.IntegerField("工单审批id", db_index=True)
    operation_type = models.SmallIntegerField(
        "操作类型", choices=WorkflowAction.choices
    )
    # operation_type_desc 字段实际无意义
    operation_type_desc = models.CharField("操作类型描述", max_length=10)
    operation_info = models.CharField("操作信息", max_length=1000)
    operator = models.CharField("操作人", max_length=30)
    operator_display = models.CharField("操作人中文名", max_length=50, default="")
    operation_time = models.DateTimeField(auto_now_add=True)

    def __int__(self):
        return self.audit_id

    class Meta:
        managed = True
        db_table = "workflow_log"
        verbose_name = "工作流日志"
        verbose_name_plural = "工作流日志"


class QueryPrivilegesApply(models.Model, WorkflowAuditMixin):
    """
    查询权限申请记录表
    """

    apply_id = models.AutoField(primary_key=True)
    group_id = models.IntegerField("组ID")
    group_name = models.CharField("组名称", max_length=100)
    title = models.CharField("申请标题", max_length=50)
    # TODO user_name display 改为外键
    user_name = models.CharField("申请人", max_length=30)
    user_display = models.CharField("申请人中文名", max_length=50, default="")
    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    db_list = models.TextField("数据库", default="")  # 逗号分隔的数据库列表
    table_list = models.TextField("表", default="")  # 逗号分隔的表列表
    valid_date = models.DateField("有效时间")
    limit_num = models.IntegerField("行数限制", default=100)
    priv_type = models.IntegerField(
        "权限类型",
        choices=(
            (1, "DATABASE"),
            (2, "TABLE"),
        ),
        default=0,
    )
    status = models.IntegerField("审核状态", choices=WorkflowStatus.choices)
    audit_auth_groups = models.CharField("审批权限组列表", max_length=255)
    create_time = models.DateTimeField(auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    def __int__(self):
        return self.apply_id

    class Meta:
        managed = True
        db_table = "query_privileges_apply"
        verbose_name = "查询权限申请记录表"
        verbose_name_plural = "查询权限申请记录表"


class QueryPrivileges(models.Model):
    """
    用户权限关系表
    """

    privilege_id = models.AutoField(primary_key=True)
    user_name = models.CharField("用户名", max_length=30)
    user_display = models.CharField("申请人中文名", max_length=50, default="")
    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    db_name = models.CharField("数据库", max_length=64, default="")
    table_name = models.CharField("表", max_length=64, default="")
    valid_date = models.DateField("有效时间")
    limit_num = models.IntegerField("行数限制", default=100)
    priv_type = models.IntegerField(
        "权限类型",
        choices=(
            (1, "DATABASE"),
            (2, "TABLE"),
        ),
        default=0,
    )
    is_deleted = models.IntegerField("是否删除", default=0)
    create_time = models.DateTimeField(auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    def __int__(self):
        return self.privilege_id

    class Meta:
        managed = True
        db_table = "query_privileges"
        index_together = ["user_name", "instance", "db_name", "valid_date"]
        verbose_name = "查询权限记录"
        verbose_name_plural = "查询权限记录"


class QueryLog(models.Model):
    """
    记录在线查询sql的日志
    """

    # TODO 改为实例外键
    instance_name = models.CharField("实例名称", max_length=50)
    db_name = models.CharField("数据库名称", max_length=64)
    sqllog = models.TextField("执行的查询语句")
    effect_row = models.BigIntegerField("返回行数")
    cost_time = models.CharField("执行耗时", max_length=10, default="")
    # TODO 改为user 外键
    username = models.CharField("操作人", max_length=30)
    user_display = models.CharField("操作人中文名", max_length=50, default="")
    priv_check = models.BooleanField(
        "查询权限是否正常校验",
        choices=(
            (False, "跳过"),
            (True, "正常"),
        ),
        default=False,
    )
    hit_rule = models.BooleanField(
        "查询是否命中脱敏规则",
        choices=((False, "未命中/未知"), (True, "命中")),
        default=False,
    )
    masking = models.BooleanField(
        "查询结果是否正常脱敏",
        choices=(
            (False, "否"),
            (True, "是"),
        ),
        default=False,
    )
    favorite = models.BooleanField(
        "是否收藏",
        choices=(
            (False, "否"),
            (True, "是"),
        ),
        default=False,
    )
    alias = models.CharField("语句标识", max_length=64, default="", blank=True)
    create_time = models.DateTimeField("操作时间", auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    class Meta:
        managed = True
        db_table = "query_log"
        verbose_name = "查询日志"
        verbose_name_plural = "查询日志"


rule_type_choices = (
    (1, "手机号"),
    (2, "证件号码"),
    (3, "银行卡"),
    (4, "邮箱"),
    (5, "金额"),
    (6, "其他"),
    (100, "三段式通用脱敏规则"),
)


class DataMaskingColumns(models.Model):
    """
    脱敏字段配置
    """

    column_id = models.AutoField("字段id", primary_key=True)
    rule_type = models.IntegerField(
        "规则类型",
        choices=rule_type_choices,
        help_text="三段式通用脱敏规则：根据字段长度自动分成三份，中间段脱敏。",
    )
    active = models.BooleanField(
        "激活状态", choices=((False, "未激活"), (True, "激活"))
    )
    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    table_schema = models.CharField("字段所在库名", max_length=64)
    table_name = models.CharField("字段所在表名", max_length=64)
    column_name = models.CharField("字段名", max_length=64)
    column_comment = models.CharField(
        "字段描述", max_length=1024, default="", blank=True
    )
    create_time = models.DateTimeField(auto_now_add=True)
    sys_time = models.DateTimeField(auto_now=True)

    class Meta:
        managed = True
        db_table = "data_masking_columns"
        verbose_name = "脱敏字段配置"
        verbose_name_plural = "脱敏字段配置"


class DataMaskingRules(models.Model):
    """
    脱敏规则配置
    """

    rule_type = models.IntegerField("规则类型", choices=rule_type_choices, unique=True)
    rule_regex = models.CharField(
        "规则脱敏所用的正则表达式，表达式必须分组，隐藏的组会使用****代替",
        max_length=255,
    )
    hide_group = models.IntegerField("需要隐藏的组")
    rule_desc = models.CharField("规则描述", max_length=100, default="", blank=True)
    sys_time = models.DateTimeField(auto_now=True)

    class Meta:
        managed = True
        db_table = "data_masking_rules"
        verbose_name = "脱敏规则配置"
        verbose_name_plural = "脱敏规则配置"


class InstanceAccount(models.Model):
    """
    实例账号列表
    """

    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    user = fields.EncryptedCharField(verbose_name="账号", max_length=128)
    host = models.CharField(
        verbose_name="主机", max_length=64
    )  # mysql数据库存储主机信息
    db_name = models.CharField(
        verbose_name="数据库名称", max_length=128
    )  # mongo数据库存储数据库名称
    password = fields.EncryptedCharField(
        verbose_name="密码", max_length=128, default="", blank=True
    )
    remark = models.CharField("备注", max_length=255)
    sys_time = models.DateTimeField("系统修改时间", auto_now=True)

    class Meta:
        managed = True
        db_table = "instance_account"
        unique_together = ("instance", "user", "host", "db_name")
        verbose_name = "实例账号列表"
        verbose_name_plural = "实例账号列表"


class InstanceDatabase(models.Model):
    """
    实例数据库列表
    """

    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    db_name = models.CharField("数据库名", max_length=128)
    owner = models.CharField("负责人", max_length=50, default="", blank=True)
    owner_display = models.CharField(
        "负责人中文名", max_length=50, default="", blank=True
    )
    remark = models.CharField("备注", max_length=255, default="", blank=True)
    sys_time = models.DateTimeField("系统修改时间", auto_now=True)

    class Meta:
        managed = True
        db_table = "instance_database"
        unique_together = ("instance", "db_name")
        verbose_name = "实例数据库"
        verbose_name_plural = "实例数据库列表"


class ParamTemplate(models.Model):
    """
    实例参数模板配置
    """

    db_type = models.CharField("数据库类型", max_length=20, choices=DB_TYPE_CHOICES)
    variable_name = models.CharField("参数名", max_length=64)
    default_value = models.CharField("默认参数值", max_length=1024)
    editable = models.BooleanField("是否支持修改", default=False)
    valid_values = models.CharField(
        "有效参数值，范围参数[1-65535]，值参数[ON|OFF]", max_length=1024, blank=True
    )
    description = models.CharField("参数描述", max_length=1024, blank=True)
    create_time = models.DateTimeField("创建时间", auto_now_add=True)
    sys_time = models.DateTimeField("系统时间修改", auto_now=True)

    class Meta:
        managed = True
        db_table = "param_template"
        unique_together = ("db_type", "variable_name")
        verbose_name = "实例参数模板配置"
        verbose_name_plural = "实例参数模板配置"


class ParamHistory(models.Model):
    """
    可在线修改的动态参数配置
    """

    instance = models.ForeignKey(Instance, on_delete=models.CASCADE)
    variable_name = models.CharField("参数名", max_length=64)
    old_var = models.CharField("修改前参数值", max_length=1024)
    new_var = models.CharField("修改后参数值", max_length=1024)
    set_sql = models.CharField("在线变更配置执行的SQL语句", max_length=1024)
    user_name = models.CharField("修改人", max_length=30)
    user_display = models.CharField("修改人中文名", max_length=50)
    create_time = models.DateTimeField("参数被修改时间点", auto_now_add=True)

    class Meta:
        managed = True
        ordering = ["-create_time"]
        db_table = "param_history"
        verbose_name = "实例参数修改历史"
        verbose_name_plural = "实例参数修改历史"


class ArchiveConfig(models.Model, WorkflowAuditMixin):
    """
    归档配置表
    """

    title = models.CharField("归档配置说明", max_length=50)
    resource_group = models.ForeignKey(ResourceGroup, on_delete=models.CASCADE)
    audit_auth_groups = models.CharField("审批权限组列表", max_length=255, blank=True)
    src_instance = models.ForeignKey(
        Instance, related_name="src_instance", on_delete=models.CASCADE
    )
    src_db_name = models.CharField("源数据库", max_length=64)
    src_table_name = models.CharField("源表", max_length=64)
    dest_instance = models.ForeignKey(
        Instance,
        related_name="dest_instance",
        on_delete=models.CASCADE,
        blank=True,
        null=True,
    )
    dest_db_name = models.CharField("目标数据库", max_length=64, blank=True, null=True)
    dest_table_name = models.CharField("目标表", max_length=64, blank=True, null=True)
    condition = models.CharField("归档条件，where条件", max_length=1000)
    mode = models.CharField(
        "归档模式",
        max_length=10,
        choices=(("file", "文件"), ("dest", "其他实例"), ("purge", "直接删除")),
    )
    no_delete = models.BooleanField("是否保留源数据")
    sleep = models.IntegerField("归档limit行后的休眠秒数", default=1)
    status = models.IntegerField(
        "审核状态", choices=WorkflowStatus.choices, blank=True, default=1
    )
    state = models.BooleanField("是否启用归档", default=True)
    user_name = models.CharField("申请人", max_length=30, blank=True, default="")
    user_display = models.CharField(
        "申请人中文名", max_length=50, blank=True, default=""
    )
    create_time = models.DateTimeField("创建时间", auto_now_add=True)
    last_archive_time = models.DateTimeField("最近归档时间", blank=True, null=True)
    sys_time = models.DateTimeField("系统时间修改", auto_now=True)

    class Meta:
        managed = True
        db_table = "archive_config"
        verbose_name = "归档配置表"
        verbose_name_plural = "归档配置表"


class ArchiveLog(models.Model):
    """
    归档日志表
    """

    archive = models.ForeignKey(ArchiveConfig, on_delete=models.CASCADE)
    cmd = models.CharField("归档命令", max_length=2000)
    condition = models.CharField("归档条件，where条件", max_length=1000)
    mode = models.CharField(
        "归档模式",
        max_length=10,
        choices=(("file", "文件"), ("dest", "其他实例"), ("purge", "直接删除")),
    )
    no_delete = models.BooleanField("是否保留源数据")
    sleep = models.IntegerField("归档limit行记录后的休眠秒数", default=0)
    select_cnt = models.IntegerField("查询数量")
    insert_cnt = models.IntegerField("插入数量")
    delete_cnt = models.IntegerField("删除数量")
    statistics = models.TextField("归档统计日志")
    success = models.BooleanField("是否归档成功")
    error_info = models.TextField("错误信息")
    start_time = models.DateTimeField("开始时间")
    end_time = models.DateTimeField("结束时间")
    sys_time = models.DateTimeField("系统时间修改", auto_now=True)

    class Meta:
        managed = True
        db_table = "archive_log"
        verbose_name = "归档日志表"
        verbose_name_plural = "归档日志表"


class Config(models.Model):
    """
    配置信息表
    """

    item = models.CharField("配置项", max_length=100, unique=True)
    value = fields.EncryptedCharField(verbose_name="配置项值", max_length=500)
    description = models.CharField("描述", max_length=200, default="", blank=True)

    class Meta:
        managed = True
        db_table = "sql_config"
        verbose_name = "系统配置"
        verbose_name_plural = "系统配置"


# 云服务认证信息配置
class CloudAccessKey(models.Model):
    cloud_type_choices = (("aliyun", "aliyun"),)

    type = models.CharField(max_length=20, default="", choices=cloud_type_choices)
    key_id = models.CharField(max_length=200)
    key_secret = models.CharField(max_length=200)
    remark = models.CharField(max_length=50, default="", blank=True)

    def __init__(self, *args, **kwargs):
        self.c = Crypto()
        super().__init__(*args, **kwargs)

    @property
    def raw_key_id(self):
        """返回明文信息"""
        return self.c.decrypt(self.key_id)

    @property
    def raw_key_secret(self):
        """返回明文信息"""
        return self.c.decrypt(self.key_secret)

    def save(self, *args, **kwargs):
        self.key_id = self.c.encrypt(self.key_id)
        self.key_secret = self.c.encrypt(self.key_secret)
        super(CloudAccessKey, self).save(*args, **kwargs)

    def __str__(self):
        return f"{self.type}({self.remark})"

    class Meta:
        managed = True
        db_table = "cloud_access_key"
        verbose_name = "云服务认证信息配置"
        verbose_name_plural = "云服务认证信息配置"


class AliyunRdsConfig(models.Model):
    """
    阿里云rds配置信息
    """

    instance = models.OneToOneField(Instance, on_delete=models.CASCADE)
    rds_dbinstanceid = models.CharField("对应阿里云RDS实例ID", max_length=100)
    ak = models.ForeignKey(
        CloudAccessKey, verbose_name="RDS实例对应的AK配置", on_delete=models.CASCADE
    )
    is_enable = models.BooleanField("是否启用", default=False)

    def __int__(self):
        return self.rds_dbinstanceid

    class Meta:
        managed = True
        db_table = "aliyun_rds_config"
        verbose_name = "阿里云rds配置"
        verbose_name_plural = "阿里云rds配置"


class Permission(models.Model):
    """
    自定义业务权限
    """

    class Meta:
        managed = True
        permissions = (
            ("menu_dashboard", "菜单 Dashboard"),
            ("menu_sqlcheck", "菜单 SQL审核"),
            ("menu_sqlworkflow", "菜单 SQL上线"),
            ("menu_sqlanalyze", "菜单 SQL分析"),
            ("menu_query", "菜单 SQL查询"),
            ("menu_sqlquery", "菜单 在线查询"),
            ("menu_queryapplylist", "菜单 权限管理"),
            ("menu_sqloptimize", "菜单 SQL优化"),
            ("menu_sqladvisor", "菜单 优化工具"),
            ("menu_slowquery", "菜单 慢查日志"),
            ("menu_instance", "菜单 实例管理"),
            ("menu_instance_list", "菜单 实例列表"),
            ("menu_dbdiagnostic", "菜单 会话管理"),
            ("menu_database", "菜单 数据库管理"),
            ("menu_instance_account", "菜单 实例账号管理"),
            ("menu_param", "菜单 参数配置"),
            ("menu_data_dictionary", "菜单 数据字典"),
            ("menu_tools", "菜单 工具插件"),
            ("menu_archive", "菜单 数据归档"),
            ("menu_my2sql", "菜单 My2SQL"),
            ("menu_schemasync", "菜单 SchemaSync"),
            ("menu_system", "菜单 系统管理"),
            ("menu_document", "菜单 相关文档"),
            ("menu_openapi", "菜单 OpenAPI"),
            ("sql_submit", "提交SQL上线工单"),
            ("sql_review", "审核SQL上线工单"),
            ("sql_execute_for_resource_group", "执行SQL上线工单(资源组粒度)"),
            ("sql_execute", "执行SQL上线工单(仅自己提交的)"),
            ("sql_analyze", "执行SQL分析"),
            ("optimize_sqladvisor", "执行SQLAdvisor"),
            ("optimize_sqltuning", "执行SQLTuning"),
            ("optimize_soar", "执行SOAR"),
            ("query_applypriv", "申请查询权限"),
            ("query_mgtpriv", "管理查询权限"),
            ("query_review", "审核查询权限"),
            ("query_submit", "提交SQL查询"),
            ("query_all_instances", "可查询所有实例"),
            ("query_resource_group_instance", "可查询所在资源组内的所有实例"),
            ("process_view", "查看会话"),
            ("process_kill", "终止会话"),
            ("tablespace_view", "查看表空间"),
            ("trx_view", "查看事务信息"),
            ("trxandlocks_view", "查看锁信息"),
            ("instance_account_manage", "管理实例账号"),
            ("param_view", "查看实例参数列表"),
            ("param_edit", "修改实例参数"),
            ("data_dictionary_export", "导出数据字典"),
            ("archive_apply", "提交归档申请"),
            ("archive_review", "审核归档申请"),
            ("archive_mgt", "管理归档申请"),
            ("audit_user", "审计权限"),
            ("query_download", "在线查询下载权限"),
            ("offline_download", "离线下载权限"),
            ("menu_sqlexportworkflow", "菜单 数据导出"),
            ("sqlexport_submit", "提交数据导出"),
        )


class SlowQuery(models.Model):
    """
    SlowQuery
    """

    checksum = models.CharField(max_length=32, primary_key=True)
    fingerprint = models.TextField()
    sample = models.TextField()
    first_seen = models.DateTimeField(blank=True, null=True)
    last_seen = models.DateTimeField(blank=True, null=True, db_index=True)
    reviewed_by = models.CharField(max_length=20, blank=True, null=True)
    reviewed_on = models.DateTimeField(blank=True, null=True)
    comments = models.TextField(blank=True, null=True)

    class Meta:
        managed = False
        db_table = "mysql_slow_query_review"
        verbose_name = "慢日志统计"
        verbose_name_plural = "慢日志统计"


class SlowQueryHistory(models.Model):
    """
    SlowQueryHistory
    """

    hostname_max = models.CharField(max_length=64, null=False)
    client_max = models.CharField(max_length=64, null=True)
    user_max = models.CharField(max_length=64, null=False)
    db_max = models.CharField(max_length=64, null=True, default=None)
    bytes_max = models.CharField(max_length=64, null=True)
    checksum = models.ForeignKey(
        SlowQuery,
        db_constraint=False,
        to_field="checksum",
        db_column="checksum",
        on_delete=models.CASCADE,
    )
    sample = models.TextField()
    ts_min = models.DateTimeField(db_index=True)
    ts_max = models.DateTimeField()
    ts_cnt = models.FloatField(blank=True, null=True)
    query_time_sum = models.FloatField(
        db_column="Query_time_sum", blank=True, null=True
    )
    query_time_min = models.FloatField(
        db_column="Query_time_min", blank=True, null=True
    )
    query_time_max = models.FloatField(
        db_column="Query_time_max", blank=True, null=True
    )
    query_time_pct_95 = models.FloatField(
        db_column="Query_time_pct_95", blank=True, null=True
    )
    query_time_stddev = models.FloatField(
        db_column="Query_time_stddev", blank=True, null=True
    )
    query_time_median = models.FloatField(
        db_column="Query_time_median", blank=True, null=True
    )
    lock_time_sum = models.FloatField(db_column="Lock_time_sum", blank=True, null=True)
    lock_time_min = models.FloatField(db_column="Lock_time_min", blank=True, null=True)
    lock_time_max = models.FloatField(db_column="Lock_time_max", blank=True, null=True)
    lock_time_pct_95 = models.FloatField(
        db_column="Lock_time_pct_95", blank=True, null=True
    )
    lock_time_stddev = models.FloatField(
        db_column="Lock_time_stddev", blank=True, null=True
    )
    lock_time_median = models.FloatField(
        db_column="Lock_time_median", blank=True, null=True
    )
    rows_sent_sum = models.FloatField(db_column="Rows_sent_sum", blank=True, null=True)
    rows_sent_min = models.FloatField(db_column="Rows_sent_min", blank=True, null=True)
    rows_sent_max = models.FloatField(db_column="Rows_sent_max", blank=True, null=True)
    rows_sent_pct_95 = models.FloatField(
        db_column="Rows_sent_pct_95", blank=True, null=True
    )
    rows_sent_stddev = models.FloatField(
        db_column="Rows_sent_stddev", blank=True, null=True
    )
    rows_sent_median = models.FloatField(
        db_column="Rows_sent_median", blank=True, null=True
    )
    rows_examined_sum = models.FloatField(
        db_column="Rows_examined_sum", blank=True, null=True
    )
    rows_examined_min = models.FloatField(
        db_column="Rows_examined_min", blank=True, null=True
    )
    rows_examined_max = models.FloatField(
        db_column="Rows_examined_max", blank=True, null=True
    )
    rows_examined_pct_95 = models.FloatField(
        db_column="Rows_examined_pct_95", blank=True, null=True
    )
    rows_examined_stddev = models.FloatField(
        db_column="Rows_examined_stddev", blank=True, null=True
    )
    rows_examined_median = models.FloatField(
        db_column="Rows_examined_median", blank=True, null=True
    )
    rows_affected_sum = models.FloatField(
        db_column="Rows_affected_sum", blank=True, null=True
    )
    rows_affected_min = models.FloatField(
        db_column="Rows_affected_min", blank=True, null=True
    )
    rows_affected_max = models.FloatField(
        db_column="Rows_affected_max", blank=True, null=True
    )
    rows_affected_pct_95 = models.FloatField(
        db_column="Rows_affected_pct_95", blank=True, null=True
    )
    rows_affected_stddev = models.FloatField(
        db_column="Rows_affected_stddev", blank=True, null=True
    )
    rows_affected_median = models.FloatField(
        db_column="Rows_affected_median", blank=True, null=True
    )
    rows_read_sum = models.FloatField(db_column="Rows_read_sum", blank=True, null=True)
    rows_read_min = models.FloatField(db_column="Rows_read_min", blank=True, null=True)
    rows_read_max = models.FloatField(db_column="Rows_read_max", blank=True, null=True)
    rows_read_pct_95 = models.FloatField(
        db_column="Rows_read_pct_95", blank=True, null=True
    )
    rows_read_stddev = models.FloatField(
        db_column="Rows_read_stddev", blank=True, null=True
    )
    rows_read_median = models.FloatField(
        db_column="Rows_read_median", blank=True, null=True
    )
    merge_passes_sum = models.FloatField(
        db_column="Merge_passes_sum", blank=True, null=True
    )
    merge_passes_min = models.FloatField(
        db_column="Merge_passes_min", blank=True, null=True
    )
    merge_passes_max = models.FloatField(
        db_column="Merge_passes_max", blank=True, null=True
    )
    merge_passes_pct_95 = models.FloatField(
        db_column="Merge_passes_pct_95", blank=True, null=True
    )
    merge_passes_stddev = models.FloatField(
        db_column="Merge_passes_stddev", blank=True, null=True
    )
    merge_passes_median = models.FloatField(
        db_column="Merge_passes_median", blank=True, null=True
    )
    innodb_io_r_ops_min = models.FloatField(
        db_column="InnoDB_IO_r_ops_min", blank=True, null=True
    )
    innodb_io_r_ops_max = models.FloatField(
        db_column="InnoDB_IO_r_ops_max", blank=True, null=True
    )
    innodb_io_r_ops_pct_95 = models.FloatField(
        db_column="InnoDB_IO_r_ops_pct_95", blank=True, null=True
    )
    innodb_io_r_ops_stddev = models.FloatField(
        db_column="InnoDB_IO_r_ops_stddev", blank=True, null=True
    )
    innodb_io_r_ops_median = models.FloatField(
        db_column="InnoDB_IO_r_ops_median", blank=True, null=True
    )
    innodb_io_r_bytes_min = models.FloatField(
        db_column="InnoDB_IO_r_bytes_min", blank=True, null=True
    )
    innodb_io_r_bytes_max = models.FloatField(
        db_column="InnoDB_IO_r_bytes_max", blank=True, null=True
    )
    innodb_io_r_bytes_pct_95 = models.FloatField(
        db_column="InnoDB_IO_r_bytes_pct_95", blank=True, null=True
    )
    innodb_io_r_bytes_stddev = models.FloatField(
        db_column="InnoDB_IO_r_bytes_stddev", blank=True, null=True
    )
    innodb_io_r_bytes_median = models.FloatField(
        db_column="InnoDB_IO_r_bytes_median", blank=True, null=True
    )
    innodb_io_r_wait_min = models.FloatField(
        db_column="InnoDB_IO_r_wait_min", blank=True, null=True
    )
    innodb_io_r_wait_max = models.FloatField(
        db_column="InnoDB_IO_r_wait_max", blank=True, null=True
    )
    innodb_io_r_wait_pct_95 = models.FloatField(
        db_column="InnoDB_IO_r_wait_pct_95", blank=True, null=True
    )
    innodb_io_r_wait_stddev = models.FloatField(
        db_column="InnoDB_IO_r_wait_stddev", blank=True, null=True
    )
    innodb_io_r_wait_median = models.FloatField(
        db_column="InnoDB_IO_r_wait_median", blank=True, null=True
    )
    innodb_rec_lock_wait_min = models.FloatField(
        db_column="InnoDB_rec_lock_wait_min", blank=True, null=True
    )
    innodb_rec_lock_wait_max = models.FloatField(
        db_column="InnoDB_rec_lock_wait_max", blank=True, null=True
    )
    innodb_rec_lock_wait_pct_95 = models.FloatField(
        db_column="InnoDB_rec_lock_wait_pct_95", blank=True, null=True
    )
    innodb_rec_lock_wait_stddev = models.FloatField(
        db_column="InnoDB_rec_lock_wait_stddev", blank=True, null=True
    )
    innodb_rec_lock_wait_median = models.FloatField(
        db_column="InnoDB_rec_lock_wait_median", blank=True, null=True
    )
    innodb_queue_wait_min = models.FloatField(
        db_column="InnoDB_queue_wait_min", blank=True, null=True
    )
    innodb_queue_wait_max = models.FloatField(
        db_column="InnoDB_queue_wait_max", blank=True, null=True
    )
    innodb_queue_wait_pct_95 = models.FloatField(
        db_column="InnoDB_queue_wait_pct_95", blank=True, null=True
    )
    innodb_queue_wait_stddev = models.FloatField(
        db_column="InnoDB_queue_wait_stddev", blank=True, null=True
    )
    innodb_queue_wait_median = models.FloatField(
        db_column="InnoDB_queue_wait_median", blank=True, null=True
    )
    innodb_pages_distinct_min = models.FloatField(
        db_column="InnoDB_pages_distinct_min", blank=True, null=True
    )
    innodb_pages_distinct_max = models.FloatField(
        db_column="InnoDB_pages_distinct_max", blank=True, null=True
    )
    innodb_pages_distinct_pct_95 = models.FloatField(
        db_column="InnoDB_pages_distinct_pct_95", blank=True, null=True
    )
    innodb_pages_distinct_stddev = models.FloatField(
        db_column="InnoDB_pages_distinct_stddev", blank=True, null=True
    )
    innodb_pages_distinct_median = models.FloatField(
        db_column="InnoDB_pages_distinct_median", blank=True, null=True
    )
    qc_hit_cnt = models.FloatField(db_column="QC_Hit_cnt", blank=True, null=True)
    qc_hit_sum = models.FloatField(db_column="QC_Hit_sum", blank=True, null=True)
    full_scan_cnt = models.FloatField(db_column="Full_scan_cnt", blank=True, null=True)
    full_scan_sum = models.FloatField(db_column="Full_scan_sum", blank=True, null=True)
    full_join_cnt = models.FloatField(db_column="Full_join_cnt", blank=True, null=True)
    full_join_sum = models.FloatField(db_column="Full_join_sum", blank=True, null=True)
    tmp_table_cnt = models.FloatField(db_column="Tmp_table_cnt", blank=True, null=True)
    tmp_table_sum = models.FloatField(db_column="Tmp_table_sum", blank=True, null=True)
    tmp_table_on_disk_cnt = models.FloatField(
        db_column="Tmp_table_on_disk_cnt", blank=True, null=True
    )
    tmp_table_on_disk_sum = models.FloatField(
        db_column="Tmp_table_on_disk_sum", blank=True, null=True
    )
    filesort_cnt = models.FloatField(db_column="Filesort_cnt", blank=True, null=True)
    filesort_sum = models.FloatField(db_column="Filesort_sum", blank=True, null=True)
    filesort_on_disk_cnt = models.FloatField(
        db_column="Filesort_on_disk_cnt", blank=True, null=True
    )
    filesort_on_disk_sum = models.FloatField(
        db_column="Filesort_on_disk_sum", blank=True, null=True
    )

    class Meta:
        managed = False
        db_table = "mysql_slow_query_review_history"
        unique_together = ("checksum", "ts_min", "ts_max")
        index_together = ("hostname_max", "ts_min")
        verbose_name = "慢日志明细"
        verbose_name_plural = "慢日志明细"


class AuditEntry(models.Model):
    """
    登录审计日志
    """

    user_id = models.IntegerField("用户ID")
    user_name = models.CharField("用户名称", max_length=30, null=True)
    user_display = models.CharField("用户中文名", max_length=50, null=True)
    action = models.CharField("动作", max_length=255)
    extra_info = models.TextField("额外的信息", null=True)
    action_time = models.DateTimeField("操作时间", auto_now_add=True)

    class Meta:
        managed = True
        db_table = "audit_log"
        verbose_name = "审计日志"
        verbose_name_plural = "审计日志"

    def __unicode__(self):
        return "{0} - {1} - {2} - {3} - {4}".format(
            self.user_id, self.user_name, self.extra_info, self.action, self.action_time
        )

    def __str__(self):
        return "{0} - {1} - {2} - {3} - {4}".format(
            self.user_id, self.user_name, self.extra_info, self.action, self.action_time
        )
